# How do you solve #15- 2\sqrt { x + 3} = 7#?

##### 2 Answers

Aug 1, 2017

#### Answer:

See below.

#### Explanation:

Rearranging the common parts together,

Squaring both sides,

We must make sure this is not extraneous.

Aug 1, 2017

#### Answer:

Refer to the explanation for the process.

#### Explanation:

Solve:

Subtract

Simplify.

Square both sides.

Simplify.

Divide both sides by

Simplify.

Subtract

Simplify.